The Changing of Earth's Surface

The Earth's surface does not change over time.

• True
• False

The Earth's surface does not change over time.

• True
• False

What percentage of water on Earth is salt water?

• 55
• 71
• 84
• 97

Most of Earth's fresh water is found

• Frozen in glaciers
• Underground
• In the Great Lakes
• In Oceans

What are landforms?

• Landforms are how the land changes.

• Landforms shape the surface of the Earth.

• Landforms are cool

An opening in Earth's surface from which lava flows.

• mountain

• plateau

• volcano

• island

A long ,flowing body of water that is always moving. It flows into the ocean.

• lake

• ocean

• river

• stream

A place on Earth's surface where the land is much higher than the land around it.

• plain

• valley

• hill

• mountain

A deep valley with very steep sides.

• mountain

• canyon

• plain

• cave

How does freezing water cause the weathering of rocks? The freezing water—

• keeps the rocks in place.

• makes the rocks last longer.

• expands cracks and breaks rocks.

• causes rocks to fall in landslides.